Chemistry High School

Please help! I’ll mark brainliest for best answer!

Answers

Answer 1

Answer:

The Atomic Number

Explanation:

The X would be the Atomic Number or amount of protons sorrounding the nucleus of that atom.

Related Questions

Can someone pls answer quickly?

Answers

answer is atom.Hope it is helpful.

Answer:

Atoms are the smallest particles that made up matter.

The radioactive isotope used in the dating of fossils thought to be less than 40,000 years old is ________________.

Fill in the blank.

Answers

Answer:

The answer is Radiocarbon

Convert 62.5 L to mm
3

Answers

Answer:

0.0625

Explanation:

Answer:

62,500

Explanation:

State which statement is a physical change or a chemical change:
(a) Sawing wood
(b) Cooking eggs
(c) Melting chocolate
(d) Chewing sweets
(e) Rusting iron
(f) Filing your fingernails
(g) Milk turning sour
(h) Blow-drying your hair
(i) Boiling water
(j) Baking a cake
(k) Burning a match

Answers

Answer:

Physical change: A,C ,D, F, H, I

Chemical Change: B, E, G, J, K

Write a Formula
Compound Name: Strontium Sulfate

Answers

SrSO4 is the formula

Answer:

it's SrSO4

Explanation:

The three types of symbiosis are ___ and ___

Answers

Answer:

mutualism,commensalism and parasitism

Answer:

mutualism, commensalism, and parasitism

7th grade help me plzzzzzzzzzz

Answers

The first choice is correct

density is mass divided by volume

This is a change in an objects motion caused by an unbalanced force

Answers

Answer:

This is a change in an objects motion caused by an unbalanced force.

- Acceleration

Answer:

Pressure

Pressure is done when a force is applied to an object to course a motion

PLEASE HELP
The Octet Rule explains why

A. Atoms form chemical bonds to create compounds
B. The electronegativity of fluorine is higher than chlorine
C. Ionic compounds have high boiling and melting points
D. Valence electrons are used in chemical bonding
E. Valence electrons are used in chemical bonding

It's not D that's all I know. Please answer with an explanation if you know.

Answers

Answer:

Explanation:

Salt is a common example of a(n) _____________ bond, while Water is a common example of a(n) _____________ bond.

Answers

Ionic bond
Covalent bonds

Answer:

salt is ionic bond and water is Polar covalent bond

Explanation:

A candy bar has ____ energy.

A. Kinetic

B. Potential

Answers

Answer:

Potential energy

Explanation:

A candy bar has carbs, sugars, and calories which are potentially going to be used as energy in a body.

Answer:

B. Potential

Explanation:

Because the candy bar is sitting still.

What type of bond (Ionic, Covalent or Metallic) would be created when carbon bonds with bromine?

Answers

Answer:

Covalent bond

Explanation:

(pls give me brainliest) <3

which best represents a compound?

Answers

Answer:

The one above B

Explanation:

The one above B is most represents a compound because compounds are chemically bonded and are always near each other.

Are ionic compounds not carrying a charge?

Answers

Answer:

yes they carry charges

. The model shows Earth in several positions relative to the Sun. In which position is it winter in North America?

Answers

What does the model look like

all the way to the right

What will most likely happen if you place a piece of metal in a base?
O A. The metal will turn into a salt.
O B. The metal will neutralize the base.
C. The metal will give off a gas.
O D. The metal will not react with the base.

Answers

Answer:D

Explanation:

The metal will not react

Meh peepss halp will mark brainliest!!!! u-u

Answers

Answer:

The three parts of the cell theory are as follows: (1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division. ... Today, the cell theory is considered the foundation of biology.

Explanation:

hope this help.. brainliest???

Answer:

i wanna give brailiest to the person at the top!

Explanation:

The rate of change of position (or distance traveled) with respect to time"

Answers

Answer:

Velocity...I believe

Answer: velocity or meters per second

Explanation:

Li and S - covalent or ionic bond?

Answers

Answer:

It is an ionic bond.

Explanation:

Ionic bonds occur when a metal and a nonmetal combine, while covalent bonds occur between two nonmetals. Lithium is a metal and sulfur is a nonmetal.

It’s a ionic bond I believe. We just learned about this in school

Match each term with the correct description below.
1. what is a charged atom that has gained one or more electrons?

2. What substance is held together by ionic bonds?

3. What metal and nonmetal transferrers electrons?

4. What particle has electrons that are shared unequally?

5. What forms when atoms share electrons by covalent bonds?

6. What two nonmetals share electrons?

7. What charge atom that has lost one or more electrons?

8. What two or metals "pooling" electrons?

a. metallic bond

b. covalent bond

c. anion

d. ionic bond

e. molecule

f. cation

g. compound

h. polar molecule

Answers

Answer:

1. anion

2. compund

3. ionic bond

4. polar molecule

5. molecule

6. covalent bond

7. cation

8. metallic bond

Explanation:

I WILL MARK BRAINLIEST!!!!! !!

(picture included with one question ^^^^^^^)

Answers

Answer:

type D

balance form .b

Explanation:

Which is NOT a shape of epithelial cells?
A.Cuboidal
B.Columbar
C.circular
D.squamous

Answers

B.should be *columnar, but C.Circular is the answer

A solid is composed entirely of xenon atoms. What type of solid is it?
a) ionic
b) metallic
c) covalent network
d) atomic
e) molecular
f) amorphous

Answers

Answer:

ionic

Explanation:

xenom atoms are too large to move in the crystals without first associating with two oxygen ion vacancies and one uranium ion vacancy

Which pair of elements is most likely to form an ionic compound with each other?

sulfur and carbon

barium and chlorine

oxygen and fluorine

calcium and sodium

Answers

Barium and chlorine

Learning Task No. 3: Write a short paragraph regarding the differences between
saturated and unsaturated solutions.
Type of Solution
Explanations about the differences of
the two solutions
Saturated solution
Unsaturated solution

Answers

Answer:

See explanation

Explanation:

A saturated solution is a solution that contains just as much solute as it can normally hold at a given temperature in the presence of undissolved solute. An unsaturated solution contains less solute than it can normally hold at a given temperature. A saturated solution can not dissolve more solute whereas an unsaturated solution can comfortably dissolve more solute until it attains saturation at a specified temperature.

what is the electron configuration for lithium

Answers

Answer:

2,1

Explanation:

the electron configuration is 2s1

3 way to make bases

Answers

Sorry it’s really unclear what your asking

There is free rotation about the carbons of ethane but not th
of ethane. This is due to the fact that
A. the carbons in ethane are round
Balkenes do not rotate
C. the carbons in ethane are linked by double bonds
D. the carbon in ethane are smaller than those of ethane

Answers

Answer:

C. the carbons in ethene are linked by double bonds

Explanation:

The reason for the lack of free rotation about the carbons of ethene is that they are linked with with double bonds.

In single bonds afforded with the ethane compound, there is free rotation.

The double bonds confer a special restriction on the rotational potential of the bonded atoms round the carbon.

There are 70 fisherman and 5 sea bass in the lake. Are sea bass considered a limiting factor?

Answers

Answer:

yes

Explanation:

what form of heat transfer makes warm air rise?

Answers

Convection which allows heat to be transferred between the air molecule via convection currents .

Other Questions

A candy bar has ____ energy. A. Kinetic B. Potential An automotive fuel cell consumes fuel at a rate of 28m3/h and delivers 80kW of power to the wheels. If the hydrogen fuel has a heating value of 141,790 kJ/kg and a density of 0.0899 kg/m3, determine the efficiency of this fuel cell. An argumentative essay should people be able to own property in space. 7n + 5 =68.... how to solve this problem and show my work Oh wait sorry I forgot to add a photo but heres the question again charlie went to the grocery store to buy sugar for the batches of cookies that he is baking. He added up the sugar needed for the 4 batches and got the sum 6 1/2 cups. which expression can represent the addition Charlie did to find the total amount of sugar? solve for RD = RTPLZ HELP ME Due in 5 minutesLeer/Reading: Read the paragraph below and answer the questions based on what you read. (16 questions) Hola. Me llamo Alejandro. Soy de San Antonio, una ciudad de Texas en los Estados Unidos. San Antonio es una ciudad muy interesante y divertida. Me gusta comer en el Paseo del Ro. Tiene muchos restaurants y tiendas (restaurants and shops). En esa rea (that rea) tambin, hay el Mercado, el Alamo, el Parque HemisFeria y un buen museo (museum). San Antonio no es aburrido. De dnde es Alejandro? Mxico b. California c. Estados Unidos Cmo es San Antonio? aburrida b. divertida c. pequea A Alejandro, qu le gusta hacer? nadar b. bailar c. comer Cmo se llama el lugar donde hay muchos restaurantes y tiendas? Texas b. el Paseo del Ro c. El Alamo Qu est en San Antonio? a.tiendas b. museo c. both a y b El Verbo Ser: Choose the best conjugation of the verb SER (10 questions) De dnde ______ tus primos? es b. ser c. son d. eres La doctora ______ muy simptica. eres b. es c. son d. soy Nuestras familias ______ cubanas. es b. son c. ser d. somos Yo _____ estudiante de PHS. soy b. eres c. es d. son Juana y yo _____ policas en San Diego. soy b. son c. es d. somos El Presente: Choose the best Present Tense Verb (-AR, -ER, -IR) (20 questions) Mis hermanos y yo __________ en la piscina (pool) de nuestros abuelos. nado b. nadamos c. nadan d. nadar T _________ ingls, espaol y italiano, no? hablas b. habla c. hablo d. hablamos _________ tus amigos en Poway tambin? vives b. vivimos c. vive d. viven Yo ______ mi nombre en mi tarea. escribir b. escribes c. escribe d. escribo Quin _____ en el coro (choir) de nuestra escuela? cantar b. canta c. cantan d. canto El Verbo GUSTAR: Choose the best answer affiliated with the verb GUSTAR (to like; to be pleasing) (5 questions) A usted __________ gusta escribir en los cuadernos de espaol. le b. les c. te d. me A Jos y a mi _________ gusta patinar en el parque. te b. les c. nos d. me Me gusta _____________ en la clase de ingls. lees b. leer c. lee d. leo A Juan le __________ bailar en las fiestas. gustas b. gusta c. gustan d. gusto Te _____________ los burritos o los tacos? gustan b. gustar c. gustas d. gusta Los Adjetivos Posesivos/ Possessive Adjectives (5 questions) La casa de Juana es blanca y bonita. _____ casa est en Poway, tambin. Sus b. Nuestra c. Su d. Vuestra S, tenemos tarea. _______ tarea es pgina (page) 50. Nosotros b. Sus c. Tu d. Nuestra -Tienes mis calcetines? -S, tengo ____ calcetines. tus b. sus c. su d. ustedes Los maestros de Pedro son simpticos. ______ maestros son inteligentes, tambin. Nuestros b. Sus c. Su d. l Cuntos perros tienes en tu familia? ____ familia tiene tres perros. Mi b. Me c. Tu d. Mis Los Adjetivos: Pick the adjective that best matches masculine, feminine, singular, plural (5 questions) Mi casa es muy bonita y es ______. blanca b. blanco c. blancos d. blancas Juana tiene el pelo _____. Me gusta su pelo. larga b. largo c. largos d. largas Nuestros abuelos son muy _______. divertida b. divertido c. divertidos d. divertidas Mi primo, Juan, es ______. morena b. moreno c. castaa d. castaos Mi madre no es alta, ella es _______. corta b. corto c. baja d. bajo Vocabulario: Choose the best answer (14 questions). Cmo ___ llama tu amiga? Ella es bonita. me b. te c. se d. ella Marcos no es perezoso, l es muy _____. trabajador b. corto c. malo d. nuevo La hija de mi abuelo es mi ____. prima b. ta c. abuela d. hermana Mi hermana tiene cinco aos yo tengo diez. Ella es mi hermana ____. vieja b. joven c. grande d. menor Me gusta tu vestido ____. bastante b. pues c. de cuadras d. bajo Translations (10 questions) Whose green t-shirts? De quin son la camiseta verde?c. De quin es la camisa verde? Quin es la camisa verda?d. De quin son las camisetas verdes? The father of my uncle is my grandfather. El padre de mi to es mis abuela. c. El padre de mi to es mi abuelo. Mi padre del to es mi abuelo. d. El abuelo de mi to es mi padre. Rolando is 21 years old today. Rolando tiene veintiuno aos hoy. c. Rolando tener veinte y uno aos. Rolando es 21 aos viejo hoy. d. Rolando es veintiuno aos mayor. Ms. Green, are you from Argentina? Seora Verde, eres de Argentina? c. La seora Verde, usted eres de Argentina? Seorita Verde, es usted de Argentina? d. La seorita Verde, eres usted de Argentina? What color are your socks? De qu color son tus calcetines? c. Qu color es tus calcetines? De quin son tus calcetines? d. Qu es el color de tu calcetines? Why is Texas considered a cultural melting pot? What is the the slope of the line through the following points?(7,-4) and (3,8)3-31o 1 You spend 3 2/3 hours hiking and an additional 3/4 hour to rest.A) How much time did you spend hiking and resting?____ HoursB) How much more time did you spend hiking than resting?____ HoursExplain how you got your answer. (BOWLING)The "pitch" measures the angle between which fingers?A) pointer & thumbB) ring & middleC) middle and thumbD) ring and thumb what is the electron configuration for lithium what do bacteria cells and human cells have in common In triangle TRS, TZ = (3x) inches and WZ = (2x - 3) inches. Triangle T R S has centroid Z. Lines are drawn from each point to the midpoint of the opposite side to form line segments T W, R V, and S U. [Figure may not be drawn to scale] What is WZ? 6 inches 9 inches 18 inches 27 inches last week where you work you sold 356 apples and lost 24 because they expired. the store paid $0.79. what profit did the store make on apples last week ? Match each term with the correct description below.1. what is a charged atom that has gained one or more electrons? 2. What substance is held together by ionic bonds?3. What metal and nonmetal transferrers electrons?4. What particle has electrons that are shared unequally?5. What forms when atoms share electrons by covalent bonds?6. What two nonmetals share electrons?7. What charge atom that has lost one or more electrons?8. What two or metals "pooling" electrons?a. metallic bondb. covalent bondc. aniond. ionic bonde. moleculef. cationg. compoundh. polar molecule Kitten emergencyHere's a "Real" question whats 6+7-2=?What should I name my new cat?? Shes a mix of always hungry, playful, and shady. y = 3x - 2 what is the answer There is free rotation about the carbons of ethane but not thof ethane. This is due to the fact thatA. the carbons in ethane are roundBalkenes do not rotateC. the carbons in ethane are linked by double bondsD. the carbon in ethane are smaller than those of ethane Marcus likes Nike sneakers. He paid $195 for a sneaker that originally cost $245. What is the percent discount of his purchase?